Home / 136,428.40-204,670.38-57,542.92

Finding the Fourth Proportional to 136,428.40, 204,670.38 and 57,542.92

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Solution

The fourth proportional to 136,428.40, 204,670.38 and 57,542.92 is: 86,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,428.40 : 204,670.38 = 57,542.92 : x
  2. Step 2: Convert to fraction form
    136,428.40/204,670.38 = 57,542.92/x
  3. Step 3: Cross multiply
    136,428.40x = 204,670.38 × 57,542.92
  4. Step 4: Simplify right side
    136,428.40x = 11,777,331,302.71
  5. Step 5: Solve for x
    x = 11,777,331,302.71/136,428.40
  6. Step 6: Final answer
    x = 86,326.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.